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Danger to the eyes exist. Safety goggles should be worn
Eye Safety
Misuse of chemicals could cause explosion
Explosion Safety
Poisonous substances are present
Poison Safety
Using live animals. Safety of animals should be ensured
Animal Safety
Danger of cuts or punctures caused by use of sharp objects
Sharp Object Safety
Radioactive materials are used
Radioactive Safety
Chemicals used can cause burns or are poisonous if absorbed through skin
Chemical Safety
Care should be taken around open flames
Fire Safety
Substances used could stain or burn clothing
Clothing Protection Safety
Chemicals or chemical reactions could cause dangerous fumes
Fume Safety
Use caution when handling hot or extremely cold objects
Thermal Safety
Care should be taken when using electrical equipment
Electrical Safety
Poisonous plants or plants with thorns are to be handled
Plant Safety
Danger involving Bacteria, Fungi, or Protists
Biological Hazzard
Use of open flame could cause fire or explosion
Open Flame Alert
Care must be taken to dispose of materials properly
Disposal Alert
National Fire Protection Association (NFPA)
establishes codes, standards, guidelines, and recommended practices for the prevention and control of fire
Health (NFPA)
blue
Fire Hazard (NFPA Label)
red
Flammibility (NFPA)
yellow
BSL-1
no special precautions; basic teaching labs (E. coli)
BSL-2
Indigenous microorganisms that can lead to diseases of varying severity in healthy adults.
Dillution formula
C1V1=C2V2
Molarity formula
moles of solute/liters of solution
minuscus
is the curve that you see at the liquids surface
Micropipette
A laboratory instrument used to measure, dispense, and transfer very small amounts of liquid.
serological pipette
Used to measure and deliver large volumes of liquids.
disposable pipet
disposable object used to transfer small volumes of liquid
volumetric flask
for making up solutions to a known volume
weight boat
Used to weigh or transfer chemicals (usually dry)
on a mass scale
scale used to measure mass
Beaker
used to hold liquids
Erylenmeyer Flask
better than beaker for mixing, so substance doesn't splash
graduated cylinder
instrument used to measure volume of a liquid
lab notebook
notebook for recording information important to a study, such as design, procedure, and the planned analysis
Standard Operating Procedures (SOPs)
specific sets of written instructions about how to perform a certain aspect of a task
percent error formula
experimental value-accepted value/accepted value x 100
Titration
a measured amount of a solution of unknown concentration is added to a known volume of a second solution until the reaction between them is just complete
molar mass
the mass of one mole of a pure substance
Chemical Label
3 parts to a label (ID of Chemical, Date and Initials of Who made the chemical)
Note
Flashcard